Nonlinear channel models for digital magnetic recording

Methods for identifying the digital magnetic recording channel in which data dependent nonlinear effects are present are described. The models used include the finite state machine (FSM), Volterra series, and channel state dependent transition shifting. Procedures to compute the model parameters are...

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Bibliographic Details
Published inIEEE transactions on magnetics Vol. 29; no. 6; pp. 3996 - 3998
Main Authors Sands, N.P., Cioffi, J.M.
Format Journal Article Conference Proceeding
LanguageEnglish
Published New York, NY IEEE 01.11.1993
Institute of Electrical and Electronics Engineers
Subjects
Applied sciences
Automata
Digital magnetic recording
Disk drives
Disk recording
Electronics
Exact sciences and technology
Information systems
Interference
Laboratories
Magnetic and optical mass memories
Nonlinear distortion
Read-write memory
Storage and reproduction of information
Voltage control
Non linear model
Theoretical study
Finite automaton
Digital recording
Non linear distortion
Modeling
Magnetic recording
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Summary:Methods for identifying the digital magnetic recording channel in which data dependent nonlinear effects are present are described. The models used include the finite state machine (FSM), Volterra series, and channel state dependent transition shifting. Procedures to compute the model parameters are described, and the models are compared with a view to their accuracy and use for studying receiver performance. Results are included from prototype channels with various recording densities with significant nonlinear distortion.< >
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0018-9464
1941-0069
DOI:10.1109/20.281368